Research on Leveling Net Adjustment with the Constraint of GPS Chen Fuchao,Yang Guohua,Han Yueping,Chen Ju...

Ionosphere Integrity Monitoring Analysis Based on the Combined System of GPS and BDS ZHAO Chuanhua; BEI Ji...

GPS/GLONASS Orbit Determination Based on Global IGS Data Li Ran1,2 ,Zhao Chunmei2, He Zhengbin2, Liu Xinru...

Abstract：In order to improve the accuracy of GPS navigation and positioning, carrier phase observations ha...

Brief introduction to establish beidou satellite navigation and positioning product calibration center XU ...

1 引言 近二十年来，GPS（Global Positing System）已经广泛应用于自然灾害的监测，如地震、泥石流以及山体滑坡...

一、项目背景 1、背景情况 2009年，中石化分配给胜利油田西部37个区块，其中新疆境内22个区块， 另外还包括甘肃...

1 引 言 随着现代测绘技术的逐步提高与运用的广泛，定位系统技术不但能解决地质测绘工作的难题，而且还可以提...

The research on BDS Abstract: The BeiDou System (BDS) has covered under the background of the Asia Pacific...

Application of GPS technology in the Cadastral Survey Wang he chao (Sichuan Provincial Academy of Surveyi...